Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836303 | Device for the remote adjustment of the relative orientation of two sections of a column | Jean Boulet | 1989-06-06 |
| 4825747 | Method and device for detecting a fluid flow rate | Christian Bardin | 1989-05-02 |
| 4806115 | Assembly providing an electrical connection through a pipe formed of several elements | Andre Chevalier, Michel Chardin | 1989-02-21 |